Aw your fry look so fat and cute! Mine are still so tiny XC are you only feeding them banana worms or is there something else you are giving them as well? Mine are only getting banana worms at the moment but I will start giving them micro worms in about two weeks or so
I feed mine banana and Walter until day 5 then I mix all three worms in some water and pour it into the tank. Throw in some vinegar eels from time to time and BBS as they hatch... About every 2-3 days. My spawn had only 23 fish in it and they are in a 35 gallon grow out. This being said, the point, is I have been noticing they are flourishing much easier in the larger tank with the mixed foods. :)
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